短語詞組短語structural alloy steel 合金結(jié)構(gòu)鋼;結(jié)構(gòu)用合金鋼;結(jié)構(gòu)合金鋼;合金布局鋼structural rolled steel 構(gòu)造用輾鋼quality structural carbon steel 優(yōu)質(zhì)碳素結(jié)構(gòu)鋼structural sheet steel 結(jié)構(gòu)鋼板medium structural carbon steel 中碳結(jié)構(gòu)鋼cr structural alloy steel cr 合金結(jié)構(gòu)鋼structural l steel framework 鋼構(gòu)架quality structural round steel 優(yōu)質(zhì)圓鋼Structural l Steel Design 鋼結(jié)構(gòu)設(shè)計(jì) 返回 structural steel